From 46447a424cb34b603aba5b23a8f3b8728dd1852f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Tue, 15 Jun 2021 18:54:34 +0200
Subject: drm/etnaviv: use new iterator in etnaviv_gem_describe
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Git-commit: 0e994828ec8819c1f22d651cf53f1b0c728bb0bb
Patch-mainline: v5.17-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
Instead of hand rolling the logic.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211025080532.177424-2-christian.koenig@amd.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/etnaviv/etnaviv_gem.c | 31 ++++++++++-----------------
1 file changed, 11 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
index f0b2540e60e4..b018693e3877 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -427,19 +427,17 @@ int etnaviv_gem_wait_bo(struct etnaviv_gpu *gpu, struct drm_gem_object *obj,
static void etnaviv_gem_describe_fence(struct dma_fence *fence,
const char *type, struct seq_file *m)
{
- if (!test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags))
- seq_printf(m, "\t%9s: %s %s seq %llu\n",
- type,
- fence->ops->get_driver_name(fence),
- fence->ops->get_timeline_name(fence),
- fence->seqno);
+ seq_printf(m, "\t%9s: %s %s seq %llu\n", type,
+ fence->ops->get_driver_name(fence),
+ fence->ops->get_timeline_name(fence),
+ fence->seqno);
}
static void etnaviv_gem_describe(struct drm_gem_object *obj, struct seq_file *m)
{
struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj);
struct dma_resv *robj = obj->resv;
- struct dma_resv_list *fobj;
+ struct dma_resv_iter cursor;
struct dma_fence *fence;
unsigned long off = drm_vma_node_start(&obj->vma_node);
@@ -448,21 +446,14 @@ static void etnaviv_gem_describe(struct drm_gem_object *obj, struct seq_file *m)
obj->name, kref_read(&obj->refcount),
off, etnaviv_obj->vaddr, obj->size);
- rcu_read_lock();
- fobj = dma_resv_shared_list(robj);
- if (fobj) {
- unsigned int i, shared_count = fobj->shared_count;
-
- for (i = 0; i < shared_count; i++) {
- fence = rcu_dereference(fobj->shared[i]);
+ dma_resv_iter_begin(&cursor, robj, true);
+ dma_resv_for_each_fence_unlocked(&cursor, fence) {
+ if (dma_resv_iter_is_exclusive(&cursor))
+ etnaviv_gem_describe_fence(fence, "Exclusive", m);
+ else
etnaviv_gem_describe_fence(fence, "Shared", m);
- }
}
-
- fence = dma_resv_excl_fence(robj);
- if (fence)
- etnaviv_gem_describe_fence(fence, "Exclusive", m);
- rcu_read_unlock();
+ dma_resv_iter_end(&cursor);
}
void etnaviv_gem_describe_objects(struct etnaviv_drm_private *priv,
--
2.38.1